The luminous light used in this Glow in the Dark Wall Clock is an energy-storing luminous material that absorbs light energy and then releases it as a luminous glow. The more light energy it absorbs, the better the luminous effect will be. As the energy is released, the brightness of the glow will gradually weaken, typically lasting for 3-6 hours before the clock becomes dark. Therefore, it cannot stay brightly lit all night like a lamp.

Measuring 12 inches in diameter, this modern and simple wall clock features a black style. Powered by a single AA 1.5V battery (not included), the clock uses a reliable quartz movement mechanism.

The numbers and hands on the clock face have a night light function, which requires absorbing sufficient light energy during the day. At night or in dark conditions, this stored energy is released in a fluorescent manner, allowing the time to be easily read. The glow time depends on the amount of light absorbed, with the brightness gradually decreasing over 3-6 hours.

With its large, contrasting numbers on the black face, this 12-inch wall clock is easy to read from any angle, making it suitable for a variety of rooms, including dining rooms, living rooms, bedrooms, studies, kitchens, offices, and meeting rooms. The premium quality quartz movement ensures accurate timekeeping, and the silent sweep mechanism provides a peaceful environment for work and study.

It is recommended to use a normal carbon battery rather than an alkaline or rechargeable battery, as these can reduce the lifespan of the mechanism and affect the clock's accuracy. A good quality battery can typically last for over a year, making this wall clock an energy-efficient choice.

The luminous principle of this glow-in-the-dark wall clock is that it absorbs and stores light energy during the day, which it then releases as a luminous glow when the ambient light is low or turned off. This allows the clock to be visible in the dark without the need for an external light source, making it convenient for use in dark environments and avoiding the disturbance of a bright light during sleep.

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